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Arlecino [84]
2 years ago
9

24. How are vaccines used to keep people healthy?

Biology
1 answer:
riadik2000 [5.3K]2 years ago
6 0

A vaccine can help keep people healthy and protect them from a certain virus. For example people in the United States get the flu shot when they get this shot the vaccine wont magically get rid of the virus but rather help them fight it off and protect them in the future if they keep up to date getting the vaccine

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———— creates the skin-like surface formed due to the polar nature of water??
Cerrena [4.2K]

Answer:

Cohesion is the correct answer

Explanation:

Water molecules are held together by hydrogen bonds. Water molecules stick to other water molecules. Surface Tension. Creates the skin-like surface formed due to the polar nature of water.

Water is sticky because of hydrogen bonds. Water has a remarkable capacity to hold to itself and other objects. The capacity of water molecules to be attracted to other water molecules, allowing water to be a "sticky" liquid, is described by the Characteristic of cohesion.

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2 years ago
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3 years ago
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C) What does this cladogram tell you about the evolutionary relationship of the traits of jaws
schepotkina [342]

Answer:

In biology, a cladogram can be described as a diagram which shows evolutionary relationships among different organisms. A cladogram shows which organisms share evolutionary history and which organisms are more closely related to one another.

<em>The cladogram in the above picture shows that the limbs originated after the jaws. </em>

The cladogram shows that amoeba was a common ancestor to sponges, earthworms, salmon, lizards, kangroo and cats.

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2 years ago
Question 21<br> Neurons of the cerebral cortex never dip into the medulla.<br> O True<br> O False
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Answer:

False

Explanation:

The cerebral cortex refers to the outer layer of the brain. This layer is formed by a thin film of nervous tissue that surrounds the surface of the cerebral hemispheres, with primates having a much more developed cerebral cortex than other animals.  

the cerebral cortex is a thin layer of neurons and neuronal connections which is embedded in the neocortex(the neuronal cells of the cerebral cortex which form in the deep layer), it is not homogeneous, since it is made up of six layers of cells, each with specific and specific functions.

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3 years ago
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Harrizon [31]

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